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11 February, 16:17

What's the inverse of 4x + 12

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  1. 11 February, 18:28
    0
    1/4x - 3

    Step-by-step explanation:

    To find the inverse of a function, exchange x and y and then solve for y

    y = 4x+12

    Exchange x and y

    x = 4y+12

    Solve for y

    Subtract 12 from each side

    x-12 = 4y+12-12

    x-12 = 4y

    Divide by 4

    (x-12) / 4 = 4y/4

    The inverse is

    1/4x - 3
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